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Finding the Fourth Proportional to 59,999.67, 89,999.55 and 18,446.67

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Solution

The fourth proportional to 59,999.67, 89,999.55 and 18,446.67 is: 27,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,999.67 : 89,999.55 = 18,446.67 : x
  2. Step 2: Convert to fraction form
    59,999.67/89,999.55 = 18,446.67/x
  3. Step 3: Cross multiply
    59,999.67x = 89,999.55 × 18,446.67
  4. Step 4: Simplify right side
    59,999.67x = 1,660,191,999.00
  5. Step 5: Solve for x
    x = 1,660,191,999.00/59,999.67
  6. Step 6: Final answer
    x = 27,670.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.